Designer Bertrand Jayr’s interlocking cubbyhole shelving system is constructed from cast concrete, letting you build structures that aren’t just industrial in looks, but are structurally impressive. Each piece is sold separately, so complex builds can get expensive quickly.

We’ve got some tiny cinder block fridge magnets in The Awesomer Shop, but you can build structures with these 1/12th scale blocks made from actual cement. Sold in sets of 10, 24 or 50 bricks – or cracked for dilapidated scenes.

These unique speakers have enclosures made from glass-fiber reinforced concrete. Each one has a titanium cone full-range speaker, and can handle 50w max. We’re not sure of the acoustic properties of concrete, but they sure look good.

Inspired by their concrete wall clock, 22 Design Studio is now producing a wristwatch with a high-density concrete face. Its dimensional, stepped face is set into a stainless steel case with a sapphire glass lens and set onto a leather strap.